5306-01-352-8864 BOLT,INTERNALLY RELIEVED BODY Index 5306-01-352-8866 BOLT,SHEAR

National Stock Number:
5306-01-352-8865

Federal Supply Class:
5306

National Item Identification Number:
013528865

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
6481-354368-304614TEXTRON SYSTEMS CORPORATION
6481-354368-349956RAYTHEON COMPANY
6481-354368-380070LOCKHEED MARTIN CORPORATION


Techincal Specification:
CONCENTRIC HOLE DEPTH1.120 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.281 INCHES NOMINAL
FASTENER LENGTH1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.281 INCHES NOMINAL
HEAD STYLEHEXAGON
HOLE CONFIGURATION STYLEHEXAGON CORNERS
HOLE DIAMETER0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HOLE QUANTITY3
HOLE TYPEDRILLED
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SPECIAL FEATURESINTERNAL HOLE IS CSK 90 DEG X 0.398 DIA
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.986 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH24
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL


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